Documentation
| BEEF | Flexible Brainfuck interpreter | Brainfuck |  |
| Chicken | Chicken | Scheme | |
| circuits | Circuits | Verilog | |
| Clang | Clang C Compiler | C | |
| Clang++17 | Clang C++17 Compiler | C++ | |
| CLISP | GNU CLISP | Lisp | |
| Codon | Codon | Python | |
| Crystal | Crystal | Crystal | |
| Erlang | Erlang | Erlang | |
| F2C | Fortran 77 Compiler | Fortran | |
| FBC | FreeBASIC Compiler | BASIC | |
| FPC | Free Pascal Compiler | Pascal | |
| G++ | GNU C++ Compiler | C++ | |
| G++11 | GNU C++11 Compiler | C++ | |
| G++17 | GNU C++17 Compiler | C++ | |
| GCC | GNU C Compiler | C | |
| GCJ | GNU Java Compiler | Java |  |
| GDC | GNU D Compiler | D | |
| GFortran | GNU Fortran Compiler | Fortran | |
| GHC | Glasgow Haskell Compiler | Haskell | |
| GNAT | GNU Ada Compiler | Ada | |
| Go | Go | Go | |
| GObjC | GNU Objective-C Compiler | Objective-C | |
| GPC | GNU Pascal Compiler | Pascal | |
| Guile | Guile | Scheme | |
| IVL08 | Icarus Verilog (tgt-nusmv) | Verilog | |
| JDK | OpenJDK Runtime Environment | Java | |
| Julia | Julia | Julia | |
| Kotlin | Kotlin | Kotlin | |
| Lua | Lua | Lua | |
| MakePRO2 | Make for PRO2 | Make | |
| MonoCS | Mono C# Compiler | C# | |
| MyPy | Python3 Interpreter (with MyPy type checking) | Python | |
| Nim | Nim | Nim | |
| nodejs | nodejs | JavaScript | |
| P1++ | GNU C++ Compiler with extra flags for beginners | C++ | |
| P2C | Pascal to C translator | Pascal | |
| Perl | Perl | Perl | |
| PHP | PHP | PHP | |
| PRO2 | PRO2 - GNU C++ Compiler | C++ | |
| Python | Python | Python | |
| Python3 | Python3 | Python | |
| Quiz | Quiz compiler | Quiz | |
| R | R | R | |
| Ruby | Ruby | Ruby | |
| RunHaskell | Glasgow Haskell Compiler (with tweaks for testing in the judge) | Haskell | |
| RunPython | Python3 Interpreter (with tweaks for testing in the judge) | Python | |
| Rust | Rust | Rust | |
| Stalin | Stalin | Scheme | |
| WS | Whitespace interpreter | Whitespace | |